The nft duchamp.art is a conceptual artistic object that matches the name of one of the world's most famous artist with the proof of the acquisition of its equivalent domain name. The url duchamp.art returns an nft image that indicates the url, thus forming a conceptual tautology loop. it has been made a collection of 10 nfts of a unique jpeg picture acting as a proof of owning 1/10 of the domain name.